Hayward® HPD Pulsation Dampeners

The HPD Series features all thermoplastic construction with multiple bladder material options and is designed and built to extend the useful life of critical components, including pumps, flowmeters, and sensors, by lessening the effects of pressure surges. The HPD Series reduces adverse shock created by a pump action in a chemical feed system, which results in an even, laminar flow and continuous dosage.

PVC or PVDF lower housing
PVC has a non-wetted Noryl® upper housing; PVDF has a non-wetted PVDF upper housing
EPDM, FKM, or PTFE bladder/seal
316 stainless steel charging tee & pressure gauge
Corrosion-resistant construction
Reduces damaging shock from pumps to critical components
Delivers an even, laminar flow & continuous chemical dosage
Made in the USA
Pressure rating: 150 psi @ 70°F non-shock
Other materials available by special order; contact us for a quote

Stock	Description	Catalog Pg.	Price
Item 98170	1/2" FNPT PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 199.91/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	199.91/Each Drop Ship
Item 98171	1/2" FNPT PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 203.58/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	203.58/Each Drop Ship
Item 98172	1/2" FNPT PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 220.45/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	220.45/Each Drop Ship
Item 98173	3/4" FNPT PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 275.24/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	275.24/Each Drop Ship
Item 98174	3/4" FNPT PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 288.75/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	288.75/Each Drop Ship
Item 98175	1" FNPT PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 336.13/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	336.13/Each Drop Ship
Item 98176	1" FNPT PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 354.38/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	354.38/Each Drop Ship
Item 98177	1" FNPT PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 411.84/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	411.84/Each Drop Ship
Item 98178	1/2" Socket PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 216.61/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	216.61/Each Drop Ship
Item 98179	1/2" Socket PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 234.88/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	234.88/Each Drop Ship
Item 98180	1/2" Socket PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 251.75/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	251.75/Each Drop Ship
Item 98181	3/4" Socket PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 305.42/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	305.42/Each Drop Ship
Item 98182	3/4" Socket PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 318.93/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	318.93/Each Drop Ship
Item 98183	1" Socket PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 375.45/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	375.45/Each Drop Ship
Item 98184	1" Socket PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 393.72/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	393.72/Each Drop Ship
Item 98185	1" Socket PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 451.17/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	451.17/Each Drop Ship
Item 98186	1/2" FNPT PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 225.86/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	225.86/Each Drop Ship
Item 98187	1/2" FNPT PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 241.43/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	241.43/Each Drop Ship
Item 98188	1/2" FNPT PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 256.31/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	256.31/Each Drop Ship
Item 98189	3/4" FNPT PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 319.88/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	319.88/Each Drop Ship
Item 98190	3/4" FNPT PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 323.27/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	323.27/Each Drop Ship
Item 98191	1" FNPT PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 447.02/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	447.02/Each Drop Ship
Item 98192	1" FNPT PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 465.95/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	465.95/Each Drop Ship
Item 98193	1" FNPT PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 566.7/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	566.7/Each Drop Ship
Item 98194	1/2" Socket PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 259.2/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	259.2/Each Drop Ship
Item 98195	1/2" Socket PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 274.74/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	274.74/Each Drop Ship
Item 98196	1/2" Socket PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 289.65/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	289.65/Each Drop Ship
Item 98197	3/4" Socket PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 354.74/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	354.74/Each Drop Ship
Item 98198	3/4" Socket PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 358.13/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	358.13/Each Drop Ship
Item 98199	1" Socket PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 486.34/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	486.34/Each Drop Ship
Item 98200	1" Socket PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 505.27/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	505.27/Each Drop Ship
Item 98201	1" Socket PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 606.04/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	606.04/Each Drop Ship
Item 98202	1/2" FNPT PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 379.38/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	379.38/Each Drop Ship
Item 98203	1/2" FNPT PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 388.18/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	388.18/Each Drop Ship
Item 98204	3/4" FNPT PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 655.99/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	655.99/Each Drop Ship
Item 98205	3/4" FNPT PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 661.4/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	661.4/Each Drop Ship
Item 98206	1" FNPT PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 963/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	963/Each Drop Ship
Item 98207	1" FNPT PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 979.88/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	979.88/Each Drop Ship
Item 98208	1/2" Socket PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 424.2/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	424.2/Each Drop Ship
Item 98209	1/2" Socket PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 430.99/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	430.99/Each Drop Ship
Item 98210	3/4" Socket PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 696.25/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	696.25/Each Drop Ship
Item 98211	3/4" Socket PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 702.38/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	702.38/Each Drop Ship
Item 98212	1" Socket PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1062.5/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1062.5/Each Drop Ship
Item 98213	1" Socket PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1090.9/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1090.9/Each Drop Ship
Item 98214	1/2" FNPT PVDF 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 619.47/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	619.47/Each Drop Ship
Item 98215	1/2" FNPT PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 687.06/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	687.06/Each Drop Ship
Item 98216	1/2" FNPT PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 748.67/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	748.67/Each Drop Ship
Item 98217	3/4" FNPT PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 765.15/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	765.15/Each Drop Ship
Item 98218	3/4" FNPT PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 833.54/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	833.54/Each Drop Ship
Item 98219	1" FNPT PVDF 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 890.33/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	890.33/Each Drop Ship
Item 98220	1" FNPT PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1473.45/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1473.45/Each Drop Ship
Item 98221	1" FNPT PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1922.11/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1922.11/Each Drop Ship
Item 98222	1/2" Socket PVDF 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1067.15/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1067.15/Each Drop Ship
Item 98223	1/2" Socket PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1133.4/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1133.4/Each Drop Ship
Item 98224	1/2" Socket PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1180.59/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1180.59/Each Drop Ship
Item 98225	3/4" Socket PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1090.9/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1090.9/Each Drop Ship
Item 98226	3/4" Socket PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1160.45/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1160.45/Each Drop Ship
Item 98227	1" Socket PVDF 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1656.61/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1656.61/Each Drop Ship
Item 98228	1" Socket PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1856.04/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1856.04/Each Drop Ship
Item 98229	1" Socket PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2305.81/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	2305.81/Each Drop Ship
Item 98230	1/2" FNPT PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 830.45/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	830.45/Each Drop Ship
Item 98231	1/2" FNPT PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 824.61/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	824.61/Each Drop Ship
Item 98232	3/4" FNPT PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1379.56/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1379.56/Each Drop Ship
Item 98233	3/4" FNPT PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1434.02/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1434.02/Each Drop Ship
Item 98234	1" FNPT PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1907.02/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1907.02/Each Drop Ship
Item 98235	1" FNPT PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2034.56/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	2034.56/Each Drop Ship
Item 98236	1/2" Socket PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1211.84/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1211.84/Each Drop Ship
Item 98237	1/2" Socket PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1193.72/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1193.72/Each Drop Ship
Item 98238	3/4" Socket PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1743.58/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1743.58/Each Drop Ship
Item 98239	3/4" Socket PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1793.4/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	1793.4/Each Drop Ship
Item 98240	1" Socket PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2349.88/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	2349.88/Each Drop Ship
Item 98241	1" Socket PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2477.42/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-501	2477.42/Each Drop Ship